void GamePlay::Flop()
{
for (size_t i = 0; i < listOfComputerPlayers.size(); i++)
{
listOfComputerPlayers[i].cardbackColor = 31;
listOfComputerPlayers[i].didFold = false;
}
gameoverCheck();
Setup();
makeHands();
getValues();
uiText();
betSystem();
Turn();
}
// Main body of the program, for computing strategy
void compute_strategy ()
{
//File name to print chart to
const char *filename = "../output/Blackjack strategy chart.tex";
//Indicates whether to show the win percentage for each hand in the chart
const int SHOW_WIN_PCT = TRUE;
//Indicates whether to exclude doubles and splits
const int MAKE_SIMPLE_CHART = FALSE;
//Ratio of the player's bet that he wins by getting blackjack
const double BLACKJACK_PAYS = 3./2.;
Strategy **chart = NULL;
int i;
//chart is a NUM_HANDS by NUM_CARDS+1 matrix, with entry i,j being hands[i]
//and the card with face value j.
chart = (Strategy **) malloc(NUM_HANDS * sizeof(Strategy *));
for (i = 0; i < NUM_HANDS; i++)
chart[i] = (Strategy *) malloc((NUM_CARDS+1) * sizeof(Strategy));
if (chart == NULL) throwMemErr("chart", "main");
//Make vector of possible hands
makeHands();
//Make matrix of dealer's probabilities of ending up with a given total given
//each given up card
dealersProbabilities = makeDealersProbabilities();
//Compute optimal strategy for each combination of player's hand and
//dealer's up card
calculateStrategyChart (chart, MAKE_SIMPLE_CHART);
//Print chart to Latex
printChart (chart, filename, SHOW_WIN_PCT, MAKE_SIMPLE_CHART);
printf("Program complete.\n");
//Compute player's expected value
if (!(MAKE_SIMPLE_CHART))
computeExpectedValue (chart, BLACKJACK_PAYS);
freematrix(dealersProbabilities, NUM_CARDS+1);
for (i = 0; i < NUM_HANDS; i++)
free(chart[i]);
free(chart);
}
//Runs Monte Carlo simulations to test the strategy
void run_sims ()
{
//File name to print chart to
const char *filename = "Simulations chart.tex";
//Number of simulations to run for each combination of hand and up card (to
//start with; user may add more simulations during the running of the
//program)
const int N_SIMS = 1000;
Strategy **chart = NULL;
HandSim **simsChart;
int i, j;
int N; //number of simulations to run
int n; //number that have been completed
int m; //number of additional sims to run
int info;
//First, compute the strategy chart in the same way as bj_strat.c.
//chart is a NUM_HANDS by NUM_CARDS+1 matrix, with entry i,j being hands[i]
//and the card with face value j.
chart = (Strategy **) malloc(NUM_HANDS * sizeof(Strategy *));
for (i = 0; i < NUM_HANDS; i++)
chart[i] = (Strategy *) malloc((NUM_CARDS+1) * sizeof(Strategy));
if (chart == NULL) throwMemErr("chart", "main");
//Make vector of possible hands
makeHands();
//Make matrix of dealer's probabilities of ending up with a given total given
//each given up card
dealersProbabilities = makeDealersProbabilities();
//Compute optimal strategy for each combination of player's hand and
//dealer's up card
calculateStrategyChart (chart, FALSE);
simsChart = initializeSimsChart();
n = 0;
N = N_SIMS;
while (n < N)
{
for (i = 0; i < NUM_HANDS; i++) //i = player's hand
{
if (!(hands[i].isObvious))
{
for (j = 1; j <= NUM_CARDS; j++) //j = up card
{
runSims (simsChart, chart, i, j, N - n);
}
}
printf("Finished running simulations for hand %d of %d.\n",
i + 1, NUM_HANDS);
}
n = N;
//Print chart to Latex
printSimsChart (simsChart, chart, filename, n);
printf("Completed %d simulations for each hand. Maximum error: %.0f%%."
"\nHow many more simulations would you like to run? (Enter N=0 to "
"finish.)\nN = ", n, fmax(getMaxWinErr(chart, simsChart, n),
getMaxLossErr(chart, simsChart, n)));
info = scanf("%d", &m);
if (info != 1) throwErr("Error with scanf", "run_sims");
printf("\n");
N += m;
}
freematrix(dealersProbabilities, NUM_CARDS+1);
for (i = 0; i < NUM_HANDS; i++)
free(chart[i]);
free(chart);
for (i = 0; i < NUM_HANDS; i++)
free(simsChart[i]);
free(simsChart);
}
